138202203984 has 80 divisors (see below), whose sum is σ = 387032145024. Its totient is φ = 42242112000.

The previous prime is 138202203959. The next prime is 138202204001. The reversal of 138202203984 is 489302202831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639147 + ... + 827594.

Almost surely, 2^138202203984 is an apocalyptic number.

It is an amenable number.

138202203984 is an abundant number, since it is smaller than the sum of its proper divisors (248829941040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138202203984 is a wasteful number, since it uses less digits than its factorization.

138202203984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466916 (or 1466910 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 138202203984 in words is "one hundred thirty-eight billion, two hundred two million, two hundred three thousand, nine hundred eighty-four".